What is Somebody At The Door?
1.
We
live in asecurity conscious age . Manydoors into buildings and rooms are nowlocked at alltimes .Security men sit at adesk where there arecomputers and monitors showing all entries into a building, and themovement oftraffic outside the building. Thesecurity desk usually faces themain entrance into thebuilding . When somebody at the door wishes to enter
they are able to
press a button so that theperson mayenter the building
See